They are good for us military bases, allies, trade, and other natural resources that aren’t in the states
The critical World War I battles were fought primarily along the trench lines of France and Belgium.
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Answer:
2) Refusing to join the League of Nations
Explanation:
The best action that demonstrated the United States' effort to isolate itself from European conflicts after World War I is "Refusing to join the League of Nations."
This is evident in the fact that the United States Congress failed to pass the bill to join the League of Nations. This is based on the idea or some Isolationists' fear that it might make the United States drawn into International issues unnecessarily.
Historians describe white Southerners' varied responses to emancipation and the issue of civil rights, and describe the thinking that gave rise to white supremacist groups like the Ku Klux Klan during Reconstruction.
